Mathematics · Pipes and Cisterns
A tank has three pipes A, B and C. A and B are inlet pipes while C is an outlet pipe. Pipe A can fill the tank in 15 minutes. Pipe B can fill it in 20 minutes. Pipe C can empty it in 30 minutes. The pipes are opened in the following cycle: Minute 1: Only A Minute 2: Only B Minute 3: Only C The cycle repeats till the tank is full. How much time would it take to completely fill the tank?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 232 minutes
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- 436 minutes
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3413 minutes
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